Home / 5,556.68-7,667.97-3,198.32

Finding the Fourth Proportional to 5,556.68, 7,667.97 and 3,198.32

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Solution

The fourth proportional to 5,556.68, 7,667.97 and 3,198.32 is: 4,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.68 : 7,667.97 = 3,198.32 : x
  2. Step 2: Convert to fraction form
    5,556.68/7,667.97 = 3,198.32/x
  3. Step 3: Cross multiply
    5,556.68x = 7,667.97 × 3,198.32
  4. Step 4: Simplify right side
    5,556.68x = 24,524,621.81
  5. Step 5: Solve for x
    x = 24,524,621.81/5,556.68
  6. Step 6: Final answer
    x = 4,413.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.